Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935817Ab0GPHpj (ORCPT ); Fri, 16 Jul 2010 03:45:39 -0400 Received: from mailout-de.gmx.net ([213.165.64.23]:56429 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S935713Ab0GPHph (ORCPT ); Fri, 16 Jul 2010 03:45:37 -0400 X-Greylist: delayed 399 seconds by postgrey-1.27 at vger.kernel.org; Fri, 16 Jul 2010 03:45:37 EDT X-Authenticated: #9246704 X-Provags-ID: V01U2FsdGVkX1/WP5Mnr8nWu/uc290Iy3LafWrETJA1uAdpgg4FRT +W29x07lsh9JMZ Message-ID: <4C400C8E.8060500@gmx.info> Date: Fri, 16 Jul 2010 09:38:54 +0200 From: Jens Rutschmann User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.10) Gecko/20100621 Thunderbird/3.0.5 MIME-Version: 1.0 To: Pedro Ribeiro CC: eusou15@yahoo.com, ibm-acpi-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, toralf.foerster@gmx.de, mjg59@srcf.ucam.org Subject: Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on Lenovo T400/T500 References: <4C3DCAA4.9050602@gmail.com> In-Reply-To: <4C3DCAA4.9050602@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1009 Lines: 25 Am 14.07.2010 16:33 schrieb Pedro Ribeiro: > Please consider this patch. Let me know if you would like me to change > anything or if you don't agree with it. It applies cleanly to 2.6.35-rc5. > > The Lenovo T400 and T500 have an annoying 9 second delay when > rebooting, unless reboot=pci is passed to the kernel command line. > This delay happens from at least kernel 2.6.20. > > Make this change permanent by hardcoding the Tx00 on the > arch/kernel/reboot.c pci quirks table. Hi, I just want to add to this discussion that this problem also occurs on my T61 with only Linux installed on it. "reboot=pci" also removed the reboot delay here. If you need some further information or want me to try some patches / old kernels I'd be glad to help. Regards, Jens -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/